Home / 34,256.59-47,281.72-20,825

Finding the Fourth Proportional to 34,256.59, 47,281.72 and 20,825

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Solution

The fourth proportional to 34,256.59, 47,281.72 and 20,825 is: 28,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,256.59 : 47,281.72 = 20,825 : x
  2. Step 2: Convert to fraction form
    34,256.59/47,281.72 = 20,825/x
  3. Step 3: Cross multiply
    34,256.59x = 47,281.72 × 20,825
  4. Step 4: Simplify right side
    34,256.59x = 984,641,819
  5. Step 5: Solve for x
    x = 984,641,819/34,256.59
  6. Step 6: Final answer
    x = 28,743.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.